16197400619 has 2 divisors, whose sum is σ = 16197400620. Its totient is φ = 16197400618.

The previous prime is 16197400579. The next prime is 16197400621. The reversal of 16197400619 is 91600479161.

It is a happy number.

16197400619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16197400619 - 2¹⁶ = 16197335083 is a prime.

It is a super-2 number, since 2×16197400619² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 16197400621, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16197400619.

It is not a weakly prime, because it can be changed into another prime (16197400669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8098700309 + 8098700310.

It is an arithmetic number, because the mean of its divisors is an integer number (8098700310).

Almost surely, 2^16197400619 is an apocalyptic number.

16197400619 is a deficient number, since it is larger than the sum of its proper divisors (1).

16197400619 is an equidigital number, since it uses as much as digits as its factorization.

16197400619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 16197400619 in words is "sixteen billion, one hundred ninety-seven million, four hundred thousand, six hundred nineteen".